An insect climbs 2cm up a slippery rod in one second and slips down by 1 cm over the next second. How many seconds will the insect take to reach the top of the rod 15 cm high
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Answer:
30 seconds
Step-by-step explanation:
An insect climbs up 2 cm up a slippery rod in one second and slips donw by 1 cm over the next second. How many seconds wll the insect take to reach the top of the rod 15 cm high? Hence, the insect needs 30 seconds to climb the rod.
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